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After this lesson, you will be able to:• Identify geometric sequences• Find the common ratio in a geometric sequence• Find missing terms in a geometric sequence• Find a geometric mean
Page 509
Not in the book
• We are just looking for a common ratio. We find that by dividing the terms by it’s previous terms, if all ratios are the same, it is geometric. If not, it isn’t geometric.
Page 510
When asked to find a term in a sequence always find the explicit formula first then plug in n for the term you are finding.
Not in the book
Not in book
Not in the book
a) b)
Page 513
More Examples: Not in the book
a) b)
Assignment 7.3pg. 510 – 516
#1 – 4, 6 – 11, 14 – 28 even, 33 – 39 odd
